she ---(phone) her parents as soon as she ---(arrive) at the

as soon as引导时间状语从句当主句用一般过去时时,从句中用一般过去时或过去完成时.
所以
she phoned (phone) her parents as soon as she arrived或had arrived(arrive) at the station.
或者
she will phone (phone) her parents as soon as she has arrived (arrive) at the station.
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如对回答满意,
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再问： 第一个为什么有had，我不明白 as soon as的将来时应该是做成主将从现的，所以应该是she will phone (phone) her parents as soon as she arrives★ (arrive) at the station.
再答： 指未发生的动作，主句一般将来时，从句用一般现在时代替一般将来时， 第二个你说的是对的， 第一个语法书上说从句可以用过去完成时，我觉得有争议，填arrived保险，因为是一···就应该是两个短动作。时间上基本一致。